Glitching Square Wave Clock Is Designed To Confuse
[Voja Antonic] has built a clock that tells the time in binary with square waves, and trolls the uninitiated in electronics.
The clock itself is very attractive. If you look closely you can see the circuitry backlit behind the dot LED matrix display. The whole thing is housed in a nicely folded steel case. RGB LEDs are used to good effect to highlight some additionally obfuscating circuit schematics. The workmanship is very top notch, and we would gladly host such an object on our desks.
The clock’s standard time telling mode is three sets of square waves showing the binary …read more
New Efficiency Standards for Wall Warts in the US
The common household wall wart is now under stricter regulation from the US Government. We can all testify to the waste heat produced by many cheap wall warts. Simply pick one at random in your house, and hold it; it will almost certainly be warm. This regulation hopes to save $300 million in wasted electricity, and reap the benefits, ecologically, of burning that much less fuel.
We don’t know what this means practically for the consumer. Will your AliExpress wall warts be turned away at the shore now? Will this increase the cost of the devices? Will it make them …read more
Frickin’ Amazing Clock
We’ve featured a lot of clock builds, but this one, as the title suggests, is frickin’ amazing. Talented art student [Kango Suzuki] built this Wooden Mechanical Clock (Google translation from Japanese) as a project while on his way to major in product design. There’s a better translation at this link. And be sure to check out the video of it in motion below the break.
[Kango]’s design brief was to do something that is “easy for humans to do, but difficult for machines”. Writing longhand fits the bill, although building the machine wasn’t easy for a human either — he …read more
Embed with Elliot: Audio Playback with Direct Digital Synthesis
Direct-digital synthesis (DDS) is a sample-playback technique that is useful for adding a little bit of audio to your projects without additional hardware. Want your robot to say ouch when it bumps into a wall? Or to play a flute solo? Of course, you could just buy a cheap WAV playback shield or module and write all of the samples to an SD card. Then you wouldn’t have to know anything about how microcontrollers can produce pitched audio, and could just skip the rest of this column and get on with your life.
But that’s not the way we roll. …read more
Lego Gaming Computer Case
Lego isn’t the first material that springs to mind when you think about building a new gaming computer case, but it does make sense when you think about it. It is easy to work with, can be easily reconfigured, and it’s pretty cheap. That’s the idea behind this very cool (no pun intended) gaming computer case build by [Mike Schropp]. Built around a Skylake i7 CPU and an NVidia 980 Ti graphics card, his build has an unusual X-shaped design that allows for plenty of airflow. The sides of the X hold the CPU cooler, the power supply, the hard …read more